# Bash Booster 0.6 <http://www.bashbooster.net>
# =============================================
#
# Copyright (c) 2014, Dmitry Vakhrushev <self@kr41.net> and Contributors
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program.  If not, see <http://www.gnu.org/licenses/>.
#

bb-var() {
    local VAR_NAME=$1
    local DEFAULT=$2
    if [[ -z "${!VAR_NAME}" ]]
    then
        eval "$VAR_NAME='$DEFAULT'"
    fi
}
